Menyelesaikan corecA-cotA-1 1-cotecA+cotA = 1-cos A sin A | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$\frac{corecA-cotA-1}{1-cotecA+cotA}=\frac{1-\cos\ A}{\sin\ A}$$